Derry is a male given name, often an abbreviation of Diarmuid or its anglicisiation Dermot. It can also be a diminutive of Alexander. Among those with the name are:
Derry Beckett (born 1918), Gaelic footballer and hurler from Cork, Ireland
Derry Clarke, Irish celebrity chef
Derry Grehan (born 1937), Canadian guitarist with Honeymoon Suite
Derry Hayes (c.1928–2005), hurler from Cork, Ireland
Derry Irvine, Baron Irvine of Lairg (born 1940), British lawyer, judge, and political figure
Derry Mathews (born 1983), English lightweight boxer
Derry Millar, Treasurer of the Law Society of Upper Canada 2008–10.
Derry Moore, 12th Earl of Drogheda (born 1957), photographer
Derry O'Sullivan, Irish poet
Derry Power (born 1935), Irish actor in The Fall and Rise of Reginald Perrin
Derry Wilkie (1941–2001), British singer with Derry and the Seniors